Announcing Windows 11 Insider Preview Build 23403
Hello Windows Insiders, today we are releasing Windows 11 Insider Preview Build 23403 to the Dev Channel.
As a reminder, we have rebooted the Dev Channel to begin flighting 23000 series builds as announced earlier this week

Note: Windows Insiders who were previously in the Dev Channel on 25000 series builds are being moved to the new Canary Channel.
If you are on Build 25309 and haven’t been moved to the Canary Channel yet, you will not receive this build as it has a lower build number than the build you are already on.
However, the migration continues to happen in the background and once complete you will receive the latest build available.
Can’t wait? If you want the latest builds immediately, you can move yourself to the Canary Channel on your own via Settings > Windows Update > Windows Insider Program.
Or follow these instructions to do a clean installation of Windows 11 and then re-join the Dev Channel to receive 23000 series builds going forward.
Insiders in the Beta Channel can move to Dev Channel via the settings as well and receive this build without additional steps.
Since we have rebooted the Dev Channel for flighting 23000 series builds, we’re also rebooting the content in the blog posts for Dev Channel flights
What’s new in Build 23403
What’s coming for the Windows Insider Program in 2023

  • Canary Channel: 25000 series.
  • Dev Channel: 23000 series.
  • Beta Channel: 22000 series.
  • Release Preview: Released versions of Windows 10 and Windows 11.
  • [NEW!] Canary Channel: Ideal for highly technical users. Preview the latest platform changes early in the development cycle.
  • These builds can be unstable and are released with limited to no documentation.
  • [REBOOTED!] Dev Channel: Ideal for enthusiasts. Access the latest Windows 11 preview builds as we incubate new ideas and develop long lead features.
  • There will be some rough edges and low stability.
  • [Unchanged] Beta Channel: Ideal for early adopters. These Windows 11 builds will be more reliable than builds from our Dev Channel, with updates validated by Microsoft.
  • Your feedback has the greatest impact here.
  • [Unchanged] Release Preview Channel: Ideal if you want to preview fixes and certain key features, plus get optional access to the next version of Windows before it’s generally available to the world.
  • This channel is also recommended for commercial users.